The hidden kingdom of microscopic alien organisms shapes the universe as much as galaxies, stars, and planets; new discoveries reveal how bacteria, viruses and other micro-organisms built life on Earth and influence humanity's future in the cosmos. <br /><br />Thanks for watcing. Follow for more videos. <br />#cosmosspacescience <br />#howtheuniverseworks <br />#episode4 <br />#season9 <br />#cosmology <br />#astonomy <br />#microcosmos <br />#aliensofthemicrocosmos <br />#spacescience <br />#spacetime <br />#nasa <br />#space <br />#microscopicalien <br />#microscopicalienorganisms <br />#galaxies <br />#stars <br />#planets <br />#bacteria <br />
